Home / 10,658.36-15,987.54-2,867.96

Finding the Fourth Proportional to 10,658.36, 15,987.54 and 2,867.96

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Solution

The fourth proportional to 10,658.36, 15,987.54 and 2,867.96 is: 4,301.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,658.36 : 15,987.54 = 2,867.96 : x
  2. Step 2: Convert to fraction form
    10,658.36/15,987.54 = 2,867.96/x
  3. Step 3: Cross multiply
    10,658.36x = 15,987.54 × 2,867.96
  4. Step 4: Simplify right side
    10,658.36x = 45,851,625.22
  5. Step 5: Solve for x
    x = 45,851,625.22/10,658.36
  6. Step 6: Final answer
    x = 4,301.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.